Added TeeWorlds - it compiles but does not work yet (crashed my Evo yay!)
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pelya
196
project/jni/application/teeworlds/src/base/vmath.hpp
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196
project/jni/application/teeworlds/src/base/vmath.hpp
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/* copyright (c) 2007 magnus auvinen, see licence.txt for more info */
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#ifndef BASE_VMATH_H
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#define BASE_VMATH_H
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// ------------------------------------
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template<typename T>
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class vector2_base
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{
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public:
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union { T x,u; };
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union { T y,v; };
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vector2_base() {}
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vector2_base(float nx, float ny)
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{
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x = nx;
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y = ny;
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}
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vector2_base operator -() const { return vector2_base(-x, -y); }
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vector2_base operator -(const vector2_base &v) const { return vector2_base(x-v.x, y-v.y); }
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vector2_base operator +(const vector2_base &v) const { return vector2_base(x+v.x, y+v.y); }
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vector2_base operator *(const T v) const { return vector2_base(x*v, y*v); }
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const vector2_base &operator =(const vector2_base &v) { x = v.x; y = v.y; return *this; }
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const vector2_base &operator +=(const vector2_base &v) { x += v.x; y += v.y; return *this; }
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const vector2_base &operator -=(const vector2_base &v) { x -= v.x; y -= v.y; return *this; }
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const vector2_base &operator *=(const T v) { x *= v; y *= v; return *this; }
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bool operator ==(const vector2_base &v) const { return x == v.x && y == v.y; } //TODO: do this with an eps instead
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operator const T* () { return &x; }
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};
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template<typename T>
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inline T length(const vector2_base<T> &a)
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{
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return sqrtf(a.x*a.x + a.y*a.y);
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}
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template<typename T>
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inline T distance(const vector2_base<T> a, const vector2_base<T> &b)
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{
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return length(a-b);
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}
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template<typename T>
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inline T dot(const vector2_base<T> a, const vector2_base<T> &b)
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{
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return a.x*b.x + a.y*b.y;
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}
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template<typename T>
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inline vector2_base<T> normalize(const vector2_base<T> &v)
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{
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T l = (T)(1.0f/sqrtf(v.x*v.x + v.y*v.y));
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return vector2_base<T>(v.x*l, v.y*l);
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}
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typedef vector2_base<float> vec2;
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typedef vector2_base<bool> bvec2;
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typedef vector2_base<int> ivec2;
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template<typename T>
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inline vector2_base<T> closest_point_on_line(vector2_base<T> line_point0, vector2_base<T> line_point1, vector2_base<T> target_point)
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{
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vector2_base<T> c = target_point - line_point0;
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vector2_base<T> v = (line_point1 - line_point0);
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v = normalize(v);
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T d = length(line_point0-line_point1);
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T t = dot(v, c)/d;
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return mix(line_point0, line_point1, clamp(t, (T)0, (T)1));
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/*
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if (t < 0) t = 0;
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if (t > 1.0f) return 1.0f;
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return t;*/
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}
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// ------------------------------------
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template<typename T>
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class vector3_base
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{
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public:
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union { T x,r,h; };
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union { T y,g,s; };
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union { T z,b,v,l; };
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vector3_base() {}
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vector3_base(float nx, float ny, float nz)
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{
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x = nx;
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y = ny;
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z = nz;
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}
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const vector3_base &operator =(const vector3_base &v) { x = v.x; y = v.y; z = v.z; return *this; }
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vector3_base operator -(const vector3_base &v) const { return vector3_base(x-v.x, y-v.y, z-v.z); }
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vector3_base operator -() const { return vector3_base(-x, -y, -z); }
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vector3_base operator +(const vector3_base &v) const { return vector3_base(x+v.x, y+v.y, z+v.z); }
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vector3_base operator *(const T v) const { return vector3_base(x*v, y*v, z*v); }
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vector3_base operator *(const vector3_base &v) const { return vector3_base(x*v.x, y*v.y, z*v.z); }
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vector3_base operator /(const T v) const { return vector3_base(x/v, y/v, z/v); }
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const vector3_base &operator +=(const vector3_base &v) { x += v.x; y += v.y; z += v.z; return *this; }
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const vector3_base &operator -=(const vector3_base &v) { x -= v.x; y -= v.y; z -= v.z; return *this; }
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const vector3_base &operator *=(const T v) { x *= v; y *= v; z *= v; return *this; }
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bool operator ==(const vector3_base &v) const { return x == v.x && y == v.y && z == v.z; } //TODO: do this with an eps instead
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operator const T* () { return &x; }
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};
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template<typename T>
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inline T length(const vector3_base<T> &a)
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{
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return sqrtf(a.x*a.x + a.y*a.y + a.z*a.z);
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}
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template<typename T>
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inline T distance(const vector3_base<T> &a, const vector3_base<T> &b)
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{
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return length(a-b);
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}
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template<typename T>
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inline T dot(const vector3_base<T> &a, const vector3_base<T> &b)
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{
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return a.x*b.x + a.y*b.y + a.z*b.z;
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}
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template<typename T>
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inline vector3_base<T> normalize(const vector3_base<T> &v)
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{
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T l = (T)(1.0f/sqrtf(v.x*v.x + v.y*v.y + v.z*v.z));
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return vector3_base<T>(v.x*l, v.y*l, v.z*l);
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}
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template<typename T>
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inline vector3_base<T> cross(const vector3_base<T> &a, const vector3_base<T> &b)
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{
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return vector3_base<T>(
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a.y*b.z - a.z*b.y,
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a.z*b.x - a.x*b.z,
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a.x*b.y - a.y*b.x);
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}
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typedef vector3_base<float> vec3;
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typedef vector3_base<bool> bvec3;
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typedef vector3_base<int> ivec3;
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// ------------------------------------
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template<typename T>
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class vector4_base
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{
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public:
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union { T x,r; };
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union { T y,g; };
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union { T z,b; };
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union { T w,a; };
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vector4_base() {}
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vector4_base(float nx, float ny, float nz, float nw)
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{
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x = nx;
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y = ny;
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z = nz;
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w = nw;
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}
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vector4_base operator +(const vector4_base &v) const { return vector4_base(x+v.x, y+v.y, z+v.z, w+v.w); }
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vector4_base operator -(const vector4_base &v) const { return vector4_base(x-v.x, y-v.y, z-v.z, w-v.w); }
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vector4_base operator -() const { return vector4_base(-x, -y, -z, -w); }
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vector4_base operator *(const vector4_base &v) const { return vector4_base(x*v.x, y*v.y, z*v.z, w*v.w); }
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vector4_base operator *(const T v) const { return vector4_base(x*v, y*v, z*v, w*v); }
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const vector4_base &operator =(const vector4_base &v) { x = v.x; y = v.y; z = v.z; w = v.w; return *this; }
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const vector4_base &operator +=(const vector4_base &v) { x += v.x; y += v.y; z += v.z; w += v.w; return *this; }
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const vector4_base &operator -=(const vector4_base &v) { x -= v.x; y -= v.y; z -= v.z; w -= v.w; return *this; }
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const vector4_base &operator *=(const T v) { x *= v; y *= v; z *= v; w *= v; return *this; }
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bool operator ==(const vector4_base &v) const { return x == v.x && y == v.y && z == v.z && w == v.w; } //TODO: do this with an eps instead
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operator const T* () { return &x; }
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};
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typedef vector4_base<float> vec4;
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typedef vector4_base<bool> bvec4;
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typedef vector4_base<int> ivec4;
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#endif
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